#6572 NORM Never A: Replace key with hash to reduce avahi TXT size

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#6572: Replace key with hash to reduce avahi TXT size
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 Reporter:  morgs             |       Owner:  Collabora     
     Type:  defect            |      Status:  new           
 Priority:  normal            |   Milestone:  Never Assigned
Component:  presence-service  |     Version:                
 Keywords:                    |    Verified:  0             
 Blocking:                    |   Blockedby:                
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 Morgan Collett wrote:
 > Ivan Krstić wrote:
 >> On Feb 26, 2008, at 2:49 AM, Sjoerd Simons wrote:
 >>> Does sugar make any assumptions about the size of the key? IOW can we
 >>> instead of removing the key completely, use a smaller key?
 >>
 >> As I've told daf, smcv et al many months ago in Boston, there's no
 point
 >> in advertising the whole key. Advertising a digest is enough as long as
 >> nodes support an on-demand operation that returns their whole key.
 >
 > As long as Sugar gets a unique value as the key, nothing will break (for
 > very short term changes for testing...) so you could just replace the
 > key in the TXT record with its hash.

 This patch for Presence Service replaces the public key with its sha1
 hash.

 I tested in jhbuild on salut and sharing Chat does work, and avahi-
 discover shows the shorter (40 byte) value for key.

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Ticket URL: <http://dev.laptop.org/ticket/6572>
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